{
  "createPayment": {
    "ik": "construction_milestone-1-v1",
    "ledgerIk": "construction-contractor",
    "type": "construction_milestone",
    "typeVersion": 1,
    "parameters": {
      "milestone_id": "1",
      "amount": "10000"
    }
  },
  "addLedgerEntry": {
    "ik": "construction_milestone_approve-1-v1",
    "entry": {
      "ledger": {
        "ik": "construction-contractor"
      },
      "type": "construction_milestone_approve",
      "typeVersion": 1,
      "parameters": {
        "milestone_id": "1",
        "amount": "10000"
      }
    }
  }
}